diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/hid/usbhid/hid-core.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index f0339aefc798..d746bf8284dd 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c | |||
@@ -849,12 +849,6 @@ static int usbhid_start(struct hid_device *hid) | |||
849 | } | 849 | } |
850 | } | 850 | } |
851 | 851 | ||
852 | if (!usbhid->urbin) { | ||
853 | err_hid("couldn't find an input interrupt endpoint"); | ||
854 | ret = -ENODEV; | ||
855 | goto fail; | ||
856 | } | ||
857 | |||
858 | init_waitqueue_head(&usbhid->wait); | 852 | init_waitqueue_head(&usbhid->wait); |
859 | INIT_WORK(&usbhid->reset_work, hid_reset); | 853 | INIT_WORK(&usbhid->reset_work, hid_reset); |
860 | setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid); | 854 | setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid); |
@@ -948,15 +942,26 @@ static struct hid_ll_driver usb_hid_driver = { | |||
948 | 942 | ||
949 | static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id) | 943 | static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id) |
950 | { | 944 | { |
945 | struct usb_host_interface *interface = intf->cur_altsetting; | ||
951 | struct usb_device *dev = interface_to_usbdev(intf); | 946 | struct usb_device *dev = interface_to_usbdev(intf); |
952 | struct usbhid_device *usbhid; | 947 | struct usbhid_device *usbhid; |
953 | struct hid_device *hid; | 948 | struct hid_device *hid; |
949 | unsigned int n, has_in = 0; | ||
954 | size_t len; | 950 | size_t len; |
955 | int ret; | 951 | int ret; |
956 | 952 | ||
957 | dbg_hid("HID probe called for ifnum %d\n", | 953 | dbg_hid("HID probe called for ifnum %d\n", |
958 | intf->altsetting->desc.bInterfaceNumber); | 954 | intf->altsetting->desc.bInterfaceNumber); |
959 | 955 | ||
956 | for (n = 0; n < interface->desc.bNumEndpoints; n++) | ||
957 | if (usb_endpoint_is_int_in(&interface->endpoint[n].desc)) | ||
958 | has_in++; | ||
959 | if (!has_in) { | ||
960 | dev_err(&intf->dev, "couldn't find an input interrupt " | ||
961 | "endpoint\n"); | ||
962 | return -ENODEV; | ||
963 | } | ||
964 | |||
960 | hid = hid_allocate_device(); | 965 | hid = hid_allocate_device(); |
961 | if (IS_ERR(hid)) | 966 | if (IS_ERR(hid)) |
962 | return PTR_ERR(hid); | 967 | return PTR_ERR(hid); |